From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Standardisation of a switchbox, distribution box and field resistance unit for half/full dynamo output.
| Identifier | ExFiles\Box 163\6\ img050 | |
| Date | 18th June 1930 | |
| RR 755 REVISED (IOH) (OF 557 4-1-29) BM. 2/5943. X6016 COMPLETED 3.9.30. STANDARDISATION of CHASSIS PARTS. Date 18.6.30. Description of Parts. Switchbox, distribution box and field resistance unit arranged for half dynamo output with head lamps off and full output with head lamps on. Origin. Necessity of providing for larger output with head lamps on without high rate charging at other times. Experimental Test Report. On bench test of individual parts, no indication of any possible fault was observed. Road Test Report. Run 10,000 miles on 23-EX and gave no trouble. Weight of Old Part. Weight of New Part. 3 OZS (Resistance unit) Difference per Car. Cost of Old Part. £3-8-9 Cost of New Part. £3-7-6 Difference per Car. £0-1-3 Decrease Signature from Cost Dept. that above is correct. GRt 25/6/30 4/24/6/30 [Right Column] X No. 6016. Drawing No. Part List X A Scrap and replace at all costs, including Chassis already delivered to Customers. B Scrap and replace on Chassis in Works. C Scrap present stock and replace on all Chassis not yet handed to test. D Use existing stock Alteration effective on future Chassis. Cost of Parts in Works which will be scrapped if commenced on:- Series.......E........ Series.......E........ Series.......E........ [Approval Table] INITIAL | DATE | REMARKS BJ. | 30-8-30 | agreed Sq. R.{Sir Henry Royce} | 21.6.30 | Agreed FHR. WOR.{Arthur Wormald - General Works Manager} | 20.6.30 | Agreed Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 20.6.30 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 20.6.30 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 20.6.30 | Agreed BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 20.6.30 | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 20.6.30 | Agreed AE. Also required on 25 HP. PN.{Mr Northey} | 20.6.30 | Agreed PN.{Mr Northey} CWB. | 20.6.30 | Agreed C. Hs.{Lord Ernest Hives - Chair} | 20.6.30 | Agreed Hs.{Lord Ernest Hives - Chair} [Overlaid Stamp Text] PHANTOM Received 27 ... 1930 | ||